78777440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1960

約数の個数: 96

約数和(自身を含む): 218562624

約数和(自身を除く): 139785184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 1901, 2072, 2590, 2960, 3802, 4144, 5180, 5920, 7604, 8288, 9505, 10360, 13307, 15208, 19010, 20720, 26614, 30416, 38020, 41440, 53228, 60832, 66535, 70337, 76040, 106456, 133070, 140674, 152080, 212912, 266140, 281348, 304160, 351685, 425824, 492359, 532280, 562696, 703370, 984718, 1064560, 1125392, 1406740, 1969436, 2129120, 2250784, 2461795, 2813480, 3938872, 4923590, 5626960, 7877744, 9847180, 11253920, 15755488, 19694360, 39388720, 78777440]

約数ペア:

[(1, 78777440), (2, 39388720), (4, 19694360), (5, 15755488), (7, 11253920), (8, 9847180), (10, 7877744), (14, 5626960), (16, 4923590), (20, 3938872), (28, 2813480), (32, 2461795), (35, 2250784), (37, 2129120), (40, 1969436), (56, 1406740), (70, 1125392), (74, 1064560), (80, 984718), (112, 703370), (140, 562696), (148, 532280), (160, 492359), (185, 425824), (224, 351685), (259, 304160), (280, 281348), (296, 266140), (370, 212912), (518, 152080), (560, 140674), (592, 133070), (740, 106456), (1036, 76040), (1120, 70337), (1184, 66535), (1295, 60832), (1480, 53228), (1901, 41440), (2072, 38020), (2590, 30416), (2960, 26614), (3802, 20720), (4144, 19010), (5180, 15208), (5920, 13307), (7604, 10360), (8288, 9505)]